All Systems OperationalAI Agent Gateway now orchestrating across the SDLC read the briefuptime 99.999%
LIVE59 pre-vetted Javalin specialists · Javalin 6 · Kotlin + Java · REST APIs · median time-to-hire 21 daysavailable 39uptime 99.99%
Javalin engineering

Hire Javalin
software engineers

Pre-vetted Javalin, Kotlin and lightweight-API engineers who know your stack, integrate with your tools and ship production code in 21 days, not six months.

No upfront fees 100% replacement guarantee
OrderController.ktjavalin 6 · agent live
1 app.post("/orders") { ctx ->
2 val order = ctx.bodyAsClass<Order>()
3 val total = pricing.quote(order.items)
4 val receipt = db.save(Receipt(total, Status.PAID)) // 3ms
5 ctx.status(201).json(receipt)
6 }
// javalin ci · agent telemetrypassing
09:41:02gradle testorders-api148 passed · 11s
09:41:02ktlintsrc/0 issues
09:41:02detektsrc/0 findings
01

9 Javalin engineers in the current shortlist window

All Javalin9APIs1Kotlin1Java3Microservices2Platform2
39 available nowavg rating 9.3/10 · Javalin onlyprofiles released on shortlist
In high demand
BJBongani J.Senior Javalin Engineer9.741 rev
Exceptional · JavalinJavalinKotlinPostgresblr · UTC+5:30Full-timeAvailable nowHigh demand this month
Full-time · rates on shortlistVIA SHORTLIST
In high demand
LKLeila K.API Engineer9.733 rev
Exceptional · JavalinRESTOpenAPIJWTaf-nbo · UTC+3Full-timeAvailable now2 teams shortlisting now
Full-time · rates on shortlistVIA SHORTLIST
In high demand
ACArjun C.Java Backend Engineer9.553 rev
Exceptional · JavalinJavalinJDBIMavenaf-los · UTC+1Full-timeAvailable nowBooked 3× this week
Full-time · rates on shortlistVIA SHORTLIST
YGYusuf G.Microservices Engineer9.335 rev
Excellent · JavalinDockerK8sNATSaf-jnb · UTC+2Full-timeRamps in ≤ 7 daysOnly 2 at this seniority
Full-time · rates on shortlistVIA SHORTLIST
TJTumi J.Performance Engineer9.146 rev
Excellent · JavalinJetty tuningVirtual threadsJMHaf-los · UTC+1Full-timeRamps in ≤ 2 weeksOnly 3 at this rate
Full-time · rates on shortlistVIA SHORTLIST
RBRefilwe B.Full-stack Engineer9.325 rev
Excellent · JavalinKotlinVueVitesao · UTC-3Full-timeRamps in ≤ 7 days
Full-time · rates on shortlistVIA SHORTLIST
FLFarai L.Fintech Backend Engineer9.322 rev
Excellent · JavalinLedgersIdempotencyPCIeu-lon · UTC+0Full-timeAvailable now
Full-time · rates on shortlistVIA SHORTLIST
NPNaledi P.Platform Engineer9.029 rev
Excellent · JavalinGraalVMTerraformCIaf-cpt · UTC+2Full-timeAvailable now
Full-time · rates on shortlistVIA SHORTLIST
WHWei H.JVM QA Automation9.436 rev
Exceptional · JavalinJUnit 5TestcontainersCIaf-jnb · UTC+2Full-timeRamps in ≤ 7 days
Full-time · rates on shortlistVIA SHORTLIST
02

Manage your Javalin hires in one dashboard

Review shortlists, track DORA metrics per engineer and scale your Javalin capacity up or down each month, all from the Scrums.com workspace.

Per-engineer DORA metricsDeploy frequency, lead time and review throughput for every Javalin hire.
Shortlist & review in-appCompare pre-vetted candidates, work samples and ratings side by side.
Scale monthlyAdd or reduce Javalin capacity with simple monthly adjustments.
Pre-integrated toolingEngineers plug into your GitHub, Jira and CI from day one.
app.scrums.com / talent · javalinScrums.com talent dashboard for Javalin hires
03

Or deploy a dedicated Javalin pod

Ready-formed Javalin squads with an embedded lead, SLA-backed delivery and a weekly demo cadence.

api pod9.6

API Launch Squad

Two senior Javalin engineers, a designer and an embedded lead: take an API product from concept to production in 12 weeks.

Fixed-scope, weekly demosEmbedded delivery leadOn-time SLA guarantee
4–6 people · starts ≤ 2 weeksBook a call →
services pod9.4

Services Velocity Team

A Javalin and Kotlin squad shipping lightweight services with OpenAPI contracts, plugged into your stack from week one.

Senior-heavy compositionPlugged into your stackReplacement guarantee
5–7 people · follow-the-sunBook a call →
platform pod9.5

JVM Platform Cell

Move heavyweight framework services to lean Javalin on JDK 21 virtual threads with zero-downtime cutovers, run by engineers who've done it dozens of times.

Zero-downtime migrationsCompliance-ready (SOC 2, PCI)T&M or outcome-based
6–8 people · 6-month termsBook a call →
Why hire Javalin through Scrums.com
21 days
Median time from requisition to a productive Javalin hire.
100%
Replacement guarantee if a match isn't right.
~50%
Typical saving versus a local senior Javalin hire.
9.3/10
Average rating across Javalin engagements.
04

The Javalin hiring playbook

Hire a Javalin Developer for Lightweight and Scalable Applications

In today’s fast-moving digital landscape, performance, scalability, and simplicity are key ingredients for building modern web applications. Hiring a Javalin developer gives businesses the opportunity to leverage an intuitive, developer-friendly framework for building lightweight Java and Kotlin applications. Javalin is an unopinionated Java and Kotlin web framework designed to create RESTful APIs and microservices with minimal set-up and configuration. Whether you require fast, scalable REST APIs or microservices, Javalin developers bring the expertise needed to build robust backend solutions tailored to your specific project needs.

By hiring Javalin framework experts, your business can benefit from high-performance applications that integrate seamlessly with modern architectures, efficiently utilizing Java or Kotlin for a wide range of enterprise solutions.

Why Choose Javalin for Java and Kotlin Applications?

Javalin stands out for its simple, flexible architecture that allows developers to build web applications, microservices, and RESTful APIs with ease. As a Java and Kotlin web framework, Javalin provides a minimal yet powerful development experience that attracts developers looking for flexibility and minimal boilerplate. According to JetBrains’ Kotlin Developer Survey, Kotlin is now widely used by over 4.8 million developers, and Java continues to dominate as one of the top programming languages for building enterprise-grade applications.

By hiring a Javalin developer for lightweight Java applications, your business can leverage both Java and Kotlin approaches to create high-performance solutions that save time and technical overhead.

Key reasons to work with Javalin developers include:

  • Minimal Configuration: Javalin follows a simple, unopinionated design that cuts down on configuration time, making it perfect for building fast, lightweight applications and APIs without the complexity of more feature-heavy frameworks.
  • Versatile RESTful API Support: Javalin is highly suited for RESTful API design, providing an easy, intuitive way to create and manage APIs required for modern, cloud-based applications.
  • Java and Kotlin Support: Javalin works seamlessly with both Java and Kotlin, giving developers the flexibility to choose between two of the industry’s most powerful programming languages for backend development.

Hiring Javalin framework experts provides businesses with the flexibility, speed, and performance necessary for building scalable Java and Kotlin applications with minimal setup and configuration.

Key Benefits of Hiring a Javalin Developer

Hiring Javalin developers brings a host of benefits to businesses with projects focused on developing RESTful APIs, microservices, or scalable backend systems. Below are the key benefits that come with working with Javalin framework professionals:

  • High-Performance Backend Solutions: Javalin is designed to run on top of Jetty, known for its lightweight and fast HTTP server capabilities. This ensures that Javalin-backed applications have lower overhead, making them highly responsive even during high-demand scenarios.
  • Simplified REST API Development: For businesses that rely on RESTful APIs, Javalin developers use Javalin’s built-in features to structure APIs that are fast, secure, and easy to manage. Whether for mobile, web, or IoT integrations, Javalin provides a powerful platform for consistent and secure data transmission.
  • Kotlin and Java Compatibility: Javalin is built with both Java and Kotlin in mind, allowing developers to leverage modern Kotlin functionalities such as asynchronous coroutines while still offering Java support for teams already invested in the language.
  • Microservices Ready: Javalin’s minimalistic approach and low configuration requirements make it a strong candidate for building microservices. These loosely coupled services can scale quickly and are easier to manage, making Javalin an ideal choice for businesses adopting a microservices architecture.
  • Easy Integration with Modern Tooling: Javalin easily integrates with popular libraries and tools for logging, data persistence, cloud services, and authentication, ensuring your applications are not only fast but also feature-rich and scalable.

Through Javalin developer hiring for high-performance backend solutions, businesses can streamline application development, creating fast, scalable services that support cross-platform integrations and changing user demands.

Core Competencies of Skilled Javalin Developers

When evaluating Javalin developers, businesses need to ensure that potential candidates have a strong technical background and practical experience with the unique features and capabilities of the Javalin framework. Here are the core competencies you should look for when hiring Javalin developers:

  • Proficiency in Java and Kotlin Programming: Since Javalin is built for both Java and Kotlin, developers must have a solid understanding and experience with these languages. Proficiency allows developers to build Kotlin applications that leverage modern features, such as coroutines, while maintaining the reliability of Java.
  • Experience in RESTful API Development: A skilled Javalin developer should be highly experienced in developing secure and efficient RESTful APIs. This ensures that your applications can handle robust data communications between the backend and frontend systems.
  • Knowledge of Jetty and HTTP Servers: Javalin runs on top of Jetty, making it crucial for developers to have experience with HTTP server handling and optimization techniques that guarantee optimal throughput and low latency.
  • Familiarity with Microservices Architecture: Businesses looking to take advantage of modular development should hire Javalin developers who are knowledgeable in building and managing microservices. This includes API versioning, service decoupling, and horizontal scalability management.
  • Database Management and ORM Integration: Developers skilled in SQL databases or NoSQL systems should be capable of integrating efficient data management systems into Javalin-based applications using modern ORM frameworks, ensuring seamless database communication and querying.

Hiring skilled Javalin framework experts ensures that your application development teams are well-equipped to handle everything from scalable APIs to backend microservice development, offering peak performance and maintainability.

Popular Applications of Javalin in Modern Development

Javalin’s simplicity and versatility make it suitable for a range of use cases across industries where high-performance backend systems and lightweight applications are needed. Below are popular applications where Javalin developers provide significant value:

  • RESTful API Design: Javalin developers frequently create APIs for modern web applications, enabling seamless interaction between front-end clients and backend services. These APIs are fast, lightweight, and scalable, powering everything from single-page apps to mobile backend systems.
  • Microservices Development: Thanks to its low configuration requirements, Javalin is ideal for building microservices architectures. These services help businesses break down large applications into smaller, interdependent modules that are easier to scale and manage.
  • Cloud-Native Solutions: Developers use Javalin to create cloud-native applications that can scale across infrastructure and cloud platforms. Javalin’s lightweight nature and Kotlin/Java compatibility simplify the process of building apps designed to run in distributed environments.
  • Real-Time Systems: With its asynchronous capabilities, Javalin is used in developing real-time systems that track data feeds, IoT applications, and anything reliant on continuous updates without slowing application performance.
  • Data-Intensive Applications: Javalin developers can integrate databases and build backend systems designed to handle significant amounts of data, providing fast query responses and ensuring data integrity across applications such as CRM systems or analytics tools.

With Javalin developers, businesses can create quick, responsive, and efficient applications tailored to modern development needs across a range of industries and platforms.

Javalin vs Other Web Frameworks: Why Choose Javalin?

When compared to other Java and Kotlin frameworks like Spring Boot, Dropwizard, or Vert.x, Javalin stands out for its simplicity and unopinionated design. Here’s why businesses should hire Javalin framework experts:

  • Lightweight and Flexible: Unlike Spring Boot, which can involve extensive setup and dependency management, Javalin’s ultra-lightweight framework allows developers to get started much faster with minimal configuration, making it more agile and flexible for small services or APIs.
  • Simplicity in REST API Design: Javalin offers built-in tools for building RESTful APIs without requiring additional libraries or complex configuration, unlike Dropwizard which comes with a steeper learning curve.
  • Kotlin Support: Javalin’s seamless integration with Kotlin sets it apart from other Java-focused frameworks. Developers can leverage Kotlin’s modern language features while also building on the reliability of Java, which Spring and Dropwizard may not support as efficiently.

For businesses seeking rapid, lightweight development solutions with a focus on performance and simplicity, Javalin offers an ideal framework for both Java and Kotlin ecosystems.

How to Hire the Best Javalin Developer for Your Project

Finding the right Javalin developers requires a systematic approach to ensure they have the technical expertise and practical experience for your project. Here are the steps for successful Javalin developer hiring:

  1. Define Your Project Goals: Establish the primary objectives for your project, such as building a RESTful API, developing microservices, or optimizing backend performance, to find developers with relevant experience.
  2. Examine Developer Portfolios: Review portfolios of past work, looking for specific projects where the developer successfully completed Javalin-based applications. Pay attention to their experience with Kotlin and Java.
  3. Test Technical Skills: Conduct technical assessments to evaluate candidates’ skills in building RESTful APIs, integrating databases, and optimizing applications using Jetty within the Javalin framework.
  4. Look for Knowledge of Microservices: As Javalin is frequently used in microservices architectures, ensure the developer has experience in building modular, scalable applications designed for independent deployment.
  5. Evaluate Communication and Collaboration Skills: Since Javalin development is usually part of more extensive projects alongside front-end or cloud teams, ensure your developer can effectively communicate technical needs across the board.

By following these steps, you can find expert Javalin developers capable of handling a wide variety of backend tasks, creating fast, secure, and scalable applications that align with your project goals.

06

Teams that hire through Scrums.com

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CTO
MassMart · powered by Walmart

The Scrums.com team often pre-empted and identified solutions and enhancements to our project, going over and above to make it a success.

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CX Expert
Volkswagen

Over the past couple of years, their top-tier devs and QAs have plugged seamlessly into Payfast by Network, turbo-charging our sprints without a hitch.

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Engineering Manager
Payfast by Network
07

Hiring Javalin engineers · FAQs

What Javalin stacks do your engineers cover?

Javalin 6 in Kotlin and Java, JDBI and Exposed data layers, OpenAPI plugins, JWT auth, and JDK 21 virtual threads for high-throughput APIs. See the specializations above for who's available in each.

How are Javalin engineers vetted?

Each passes AI-assisted screening plus live technical assessments with Javalin-specific work samples: lightweight service design, handler and middleware patterns, JVM performance and code review. Only the top few percent reach the catalog.

How fast can a Javalin engineer start?

Most 'Available now' engineers start within days; others ramp in one to two weeks. Median time from requisition to a productive hire is 21 days.

Full-time, fractional or a whole pod?

All three. Hire an individual full-time or fractional, or deploy a ready-formed Javalin pod with an embedded lead and SLA-backed delivery. Scale capacity monthly.

What if the match isn't right?

Every engagement carries a 100% replacement guarantee: we replace a specialist at no extra cost if the fit isn't right, and you can cancel with notice at any time.

08

Other technologies

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